citadel/modules/vcard/serv_vcard.c

   1 /*
   2  * $Id$
   3  *
   4  * A server-side module for Citadel which supports address book information
   5  * using the standard vCard format.
   6  *
   7  * Copyright (c) 1999-2007 / released under the GNU General Public License
   8  */
   9
  10 /*
  11  * Format of the "Exclusive ID" field of the message containing a user's
  12  * vCard.  Doesn't matter what it really looks like as long as it's both
  13  * unique and consistent (because we use it for replication checking to
  14  * delete the old vCard network-wide when the user enters a new one).
  15  */
  16 #define VCARD_EXT_FORMAT        "Citadel vCard: personal card for %s at %s"
  17
  18 /*
  19  * Citadel will accept either text/vcard or text/x-vcard as the MIME type
  20  * for a vCard.  The following definition determines which one it *generates*
  21  * when serializing.
  22  */
  23 #define VCARD_MIME_TYPE         "text/x-vcard"
  24
  25 #include "sysdep.h"
  26 #include <stdlib.h>
  27 #include <unistd.h>
  28 #include <stdio.h>
  29 #include <fcntl.h>
  30 #include <signal.h>
  31 #include <pwd.h>
  32 #include <errno.h>
  33 #include <ctype.h>
  34 #include <sys/types.h>
  35
  36 #if TIME_WITH_SYS_TIME
  37 # include <sys/time.h>
  38 # include <time.h>
  39 #else
  40 # if HAVE_SYS_TIME_H
  41 #  include <sys/time.h>
  42 # else
  43 #  include <time.h>
  44 # endif
  45 #endif
  46
  47 #include <sys/wait.h>
  48 #include <string.h>
  49 #include <limits.h>
  50 #include <libcitadel.h>
  51 #include "citadel.h"
  52 #include "server.h"
  53 #include "citserver.h"
  54 #include "support.h"
  55 #include "config.h"
  56 #include "control.h"
  57 #include "room_ops.h"
  58 #include "user_ops.h"
  59 #include "policy.h"
  60 #include "database.h"
  61 #include "msgbase.h"
  62 #include "internet_addressing.h"
  63 #include "vcard.h"
  64 #include "serv_vcard.h"
  65
  66 #include "ctdl_module.h"
  67
  68
  69
  70 /*
  71  * set global flag calling for an aide to validate new users
  72  */
  73 void set_mm_valid(void) {
  74         begin_critical_section(S_CONTROL);
  75         get_control();
  76         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
  77         put_control();
  78         end_critical_section(S_CONTROL);
  79 }
  80
  81
  82
  83 /*
  84  * Extract Internet e-mail addresses from a message containing a vCard, and
  85  * perform a callback for any found.
  86  */
  87 void vcard_extract_internet_addresses(struct CtdlMessage *msg,
  88                                 void (*callback)(char *, char *) ) {
  89         struct vCard *v;
  90         char *s;
  91         char *addr;
  92         char citadel_address[SIZ];
  93         int instance = 0;
  94         int found_something = 0;
  95
  96         if (msg->cm_fields['A'] == NULL) return;
  97         if (msg->cm_fields['N'] == NULL) return;
  98         snprintf(citadel_address, sizeof citadel_address, "%s @ %s",
  99                 msg->cm_fields['A'], msg->cm_fields['N']);
 100
 101         v = vcard_load(msg->cm_fields['M']);
 102         if (v == NULL) return;
 103
 104         /* Go through the vCard searching for *all* instances of
 105          * the "email;internet" key
 106          */
 107         do {
 108                 s = vcard_get_prop(v, "email;internet", 0, instance++, 0);
 109                 if (s != NULL) {
 110                         addr = strdup(s);
 111                         striplt(addr);
 112                         if (!IsEmptyStr(addr)) {
 113                                 if (callback != NULL) {
 114                                         callback(addr, citadel_address);
 115                                 }
 116                         }
 117                         free(addr);
 118                         found_something = 1;
 119                 }
 120                 else {
 121                         found_something = 0;
 122                 }
 123         } while(found_something);
 124
 125         vcard_free(v);
 126 }
 127
 128
 129 /*
 130  * vCard-to-LDAP conversions.
 131  *
 132  * If 'op' is set to V2L_WRITE, then write
 133  * (add, or change if already exists) a directory entry to the
 134  * LDAP server, based on the information supplied in a vCard.
 135  *
 136  * If 'op' is set to V2L_DELETE, then delete the entry from LDAP.
 137  */
 138
 139
 140 void ctdl_vcard_to_directory(struct CtdlMessage *msg, int op) {
 141         struct vCard *v = NULL;
 142         int i;
 143         int have_addr = 0;
 144         int have_cn = 0;
 145
 146         void *objectlist = NULL;
 147
 148         char givenname[128];
 149         char sn[128];
 150         char uid[256];
 151         char street[256];
 152         char city[128];
 153         char state[3];
 154         char zipcode[10];
 155         char calFBURL[256];
 156         char ldap_dn[SIZ];
 157
 158         if (msg == NULL) return;
 159         if (msg->cm_fields['M'] == NULL) return;
 160         if (msg->cm_fields['A'] == NULL) return;
 161         if (msg->cm_fields['N'] == NULL) return;
 162
 163         /* Initialize variables */
 164         strcpy(givenname, "");
 165         strcpy(sn, "");
 166         strcpy(calFBURL, "");
 167
 168         sprintf(uid, "%s@%s",
 169                 msg->cm_fields['A'],
 170                 msg->cm_fields['N']
 171         );
 172
 173         sprintf(ldap_dn, "euid=%s,ou=%s", msg->cm_fields['E'], msg->cm_fields['N']);
 174
 175         /* Are we just deleting?  If so, it's simple... */
 176         if (op == V2L_DELETE) {
 177                 (void) CtdlDoDirectoryServiceFunc (ldap_dn, NULL, NULL, "ldap", DIRECTORY_USER_DEL);
 178                 return;
 179         }
 180
 181         /*
 182          * If we get to this point then it must be a V2L_WRITE operation.
 183          */
 184
 185         /* First make sure the OU for the user's home Citadel host is created */
 186         (void) CtdlDoDirectoryServiceFunc (NULL, msg->cm_fields['N'], NULL, "ldap", DIRECTORY_CREATE_HOST);
 187
 188         /* Next create the directory service object */
 189         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_CREATE_OBJECT);
 190
 191         /* The first LDAP attribute will be an 'objectclass' list.  Citadel
 192          * doesn't do anything with this.  It's just there for compatibility
 193          * with Kolab.
 194          */
 195         (void) CtdlDoDirectoryServiceFunc("objectclass", "citadelInetOrgPerson", &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 196
 197         /* Convert the vCard fields to LDAP properties */
 198         v = vcard_load(msg->cm_fields['M']);
 199         if (v->numprops) for (i=0; i<(v->numprops); ++i) if (striplt(v->prop[i].value), strlen(v->prop[i].value) > 0) {
 200
 201                 if (!strcasecmp(v->prop[i].name, "n")) {
 202                         extract_token(sn,               v->prop[i].value, 0, ';', sizeof sn);
 203                         extract_token(givenname,        v->prop[i].value, 1, ';', sizeof givenname);
 204                 }
 205
 206                 if (!strcasecmp(v->prop[i].name, "fn")) {
 207                         (void) CtdlDoDirectoryServiceFunc("cn", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 208                         have_cn = 1;
 209                 }
 210
 211                 if (!strcasecmp(v->prop[i].name, "title")) {
 212                         (void) CtdlDoDirectoryServiceFunc("title", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 213                 }
 214
 215                 if (!strcasecmp(v->prop[i].name, "org")) {
 216                         (void) CtdlDoDirectoryServiceFunc("o", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 217                 }
 218
 219                 if ( (!strcasecmp(v->prop[i].name, "adr"))
 220                    ||(!strncasecmp(v->prop[i].name, "adr;", 4)) ) {
 221                         /* Unfortunately, we can only do a single address */
 222                         if (!have_addr) {
 223                                 have_addr = 1;
 224                                 strcpy(street, "");
 225                                 extract_token(&street[strlen(street)],
 226                                         v->prop[i].value, 0, ';', (sizeof street - strlen(street))); /* po box */
 227                                 strcat(street, " ");
 228                                 extract_token(&street[strlen(street)],
 229                                         v->prop[i].value, 1, ';', (sizeof street - strlen(street))); /* extend addr */
 230                                 strcat(street, " ");
 231                                 extract_token(&street[strlen(street)],
 232                                         v->prop[i].value, 2, ';', (sizeof street - strlen(street))); /* street */
 233                                 striplt(street);
 234                                 extract_token(city, v->prop[i].value, 3, ';', sizeof city);
 235                                 extract_token(state, v->prop[i].value, 4, ';', sizeof state);
 236                                 extract_token(zipcode, v->prop[i].value, 5, ';', sizeof zipcode);
 237
 238                                 // ldap requires these fields to be something
 239                                 if (IsEmptyStr(street)) strcpy(street, "_");
 240                                 if (IsEmptyStr(zipcode)) strcpy(zipcode, "_");
 241                                 if (IsEmptyStr(city)) strcpy(city, "_");
 242                                 if (IsEmptyStr(state)) strcpy(state, "_");
 243
 244                                 (void) CtdlDoDirectoryServiceFunc("street", street, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 245                                 (void) CtdlDoDirectoryServiceFunc("l", city, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 246                                 (void) CtdlDoDirectoryServiceFunc("st", state, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 247                                 (void) CtdlDoDirectoryServiceFunc("postalcode", zipcode, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 248                         }
 249                 }
 250
 251                 if (!strcasecmp(v->prop[i].name, "tel;home"))
 252                         (void) CtdlDoDirectoryServiceFunc("homePhone", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 253                 else
 254                 if (!strcasecmp(v->prop[i].name, "tel;fax"))
 255                         (void) CtdlDoDirectoryServiceFunc("facsimileTelephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 256                 else
 257                 if (!strcasecmp(v->prop[i].name, "tel;cell"))
 258                         (void) CtdlDoDirectoryServiceFunc("mobile", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 259                 else
 260                 if ( (!strcasecmp(v->prop[i].name, "tel"))
 261                    ||(!strncasecmp(v->prop[i].name, "tel;", 4)) ) {
 262                         (void) CtdlDoDirectoryServiceFunc("telephoneNumber", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 263                 }
 264
 265
 266                 if ( (!strcasecmp(v->prop[i].name, "email"))
 267                    ||(!strcasecmp(v->prop[i].name, "email;internet")) ) {
 268                         (void) CtdlDoDirectoryServiceFunc("mail", v->prop[i].value, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 269                 }
 270
 271                 /* Calendar free/busy URL (take the first one we find, but if a subsequent
 272                  * one contains the "pref" designation then we go with that instead.)
 273                  */
 274                 if ( (!strcasecmp(v->prop[i].name, "fburl"))
 275                    ||(!strncasecmp(v->prop[i].name, "fburl;", 6)) ) {
 276                         if ( (IsEmptyStr(calFBURL))
 277                            || (!strncasecmp(v->prop[i].name, "fburl;pref", 10)) ) {
 278                                 safestrncpy(calFBURL, v->prop[i].value, sizeof calFBURL);
 279                         }
 280                 }
 281
 282         }
 283         vcard_free(v);  /* Don't need this anymore. */
 284
 285         /* "sn" (surname) based on info in vCard */
 286         (void) CtdlDoDirectoryServiceFunc("sn", sn, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 287
 288         /* "givenname" (first name) based on info in vCard */
 289         if (IsEmptyStr(givenname)) strcpy(givenname, "_");
 290         if (IsEmptyStr(sn)) strcpy(sn, "_");
 291         (void) CtdlDoDirectoryServiceFunc("givenname", givenname, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 292
 293         /* "uid" is a Kolab compatibility thing.  We just do cituser@citnode */
 294         (void) CtdlDoDirectoryServiceFunc("uid", uid, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 295
 296         /* Add a "cn" (Common Name) attribute based on the user's screen name,
 297          * but only there was no 'fn' (full name) property in the vCard
 298          */
 299         if (!have_cn)
 300                 (void) CtdlDoDirectoryServiceFunc("cn", msg->cm_fields['A'], &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 301
 302         /* Add a "calFBURL" attribute if a calendar free/busy URL exists */
 303         if (!IsEmptyStr(calFBURL)) {
 304                 (void) CtdlDoDirectoryServiceFunc("calFBURL", calFBURL, &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 305         }
 306
 307         // Add this messages EUID as the primary key for this entry.
 308         (void) CtdlDoDirectoryServiceFunc("euid", msg->cm_fields['E'], &objectlist, "ldap", DIRECTORY_ATTRIB_ADD);
 309
 310
 311         (void) CtdlDoDirectoryServiceFunc(ldap_dn, NULL, &objectlist, "ldap", DIRECTORY_SAVE_OBJECT);
 312
 313         (void) CtdlDoDirectoryServiceFunc(NULL, NULL, &objectlist, "ldap", DIRECTORY_FREE_OBJECT);
 314         lprintf(CTDL_DEBUG, "Directory Services write operation complete.\n");
 315 }
 316
 317
 318
 319 /*
 320  * Callback for vcard_add_to_directory()
 321  * (Lotsa ugly nested callbacks.  Oh well.)
 322  */
 323 void vcard_directory_add_user(char *internet_addr, char *citadel_addr) {
 324         char buf[SIZ];
 325
 326         /* We have to validate that we're not stepping on someone else's
 327          * email address ... but only if we're logged in.  Otherwise it's
 328          * probably just the networker or something.
 329          */
 330         if (CC->logged_in) {
 331                 lprintf(CTDL_DEBUG, "Checking for <%s>...\n", internet_addr);
 332                 if (CtdlDirectoryLookup(buf, internet_addr, sizeof buf) == 0) {
 333                         if (strcasecmp(buf, citadel_addr)) {
 334                                 /* This address belongs to someone else.
 335                                  * Bail out silently without saving.
 336                                  */
 337                                 lprintf(CTDL_DEBUG, "DOOP!\n");
 338                                 return;
 339                         }
 340                 }
 341         }
 342         lprintf(CTDL_INFO, "Adding %s (%s) to directory\n",
 343                         citadel_addr, internet_addr);
 344         CtdlDirectoryAddUser(internet_addr, citadel_addr);
 345 }
 346
 347
 348 /*
 349  * Back end function for cmd_igab()
 350  */
 351 void vcard_add_to_directory(long msgnum, void *data) {
 352         struct CtdlMessage *msg;
 353
 354         msg = CtdlFetchMessage(msgnum, 1);
 355         if (msg != NULL) {
 356                 vcard_extract_internet_addresses(msg, vcard_directory_add_user);
 357         }
 358
 359         ctdl_vcard_to_directory(msg, V2L_WRITE);
 360
 361         CtdlFreeMessage(msg);
 362 }
 363
 364
 365 /*
 366  * Initialize Global Adress Book
 367  */
 368 void cmd_igab(char *argbuf) {
 369         char hold_rm[ROOMNAMELEN];
 370
 371         if (CtdlAccessCheck(ac_aide)) return;
 372
 373         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 374
 375         if (getroom(&CC->room, ADDRESS_BOOK_ROOM) != 0) {
 376                 getroom(&CC->room, hold_rm);
 377                 cprintf("%d cannot get address book room\n", ERROR + ROOM_NOT_FOUND);
 378                 return;
 379         }
 380
 381         /* Empty the existing database first.
 382          */
 383         CtdlDirectoryInit();
 384
 385         /* We want *all* vCards in this room */
 386         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 387                 NULL, vcard_add_to_directory, NULL);
 388
 389         getroom(&CC->room, hold_rm);    /* return to saved room */
 390         cprintf("%d Directory has been rebuilt.\n", CIT_OK);
 391 }
 392
 393
 394
 395
 396 /*
 397  * See if there is a valid Internet address in a vCard to use for outbound
 398  * Internet messages.  If there is, stick it in the buffer.
 399  */
 400 void extract_inet_email_addrs(char *emailaddrbuf, size_t emailaddrbuf_len,
 401                                 char *secemailaddrbuf, size_t secemailaddrbuf_len,
 402                                 struct vCard *v, int local_addrs_only) {
 403         char *s, *addr;
 404         int instance = 0;
 405         int saved_instance = 0;
 406
 407         /* Go through the vCard searching for *all* instances of
 408          * the "email;internet" key
 409          */
 410         while (s = vcard_get_prop(v, "email;internet", 0, instance++, 0),  s != NULL) {
 411                 addr = strdup(s);
 412                 striplt(addr);
 413                 if (!IsEmptyStr(addr)) {
 414                         if ( (IsDirectory(addr, 1)) ||
 415                              (!local_addrs_only) ) {
 416                                 ++saved_instance;
 417                                 if ((saved_instance == 1) && (emailaddrbuf != NULL)) {
 418                                         safestrncpy(emailaddrbuf, addr, emailaddrbuf_len);
 419                                 }
 420                                 else if ((saved_instance == 2) && (secemailaddrbuf != NULL)) {
 421                                         safestrncpy(secemailaddrbuf, addr, secemailaddrbuf_len);
 422                                 }
 423                                 else if ((saved_instance > 2) && (secemailaddrbuf != NULL)) {
 424                                         if ( (strlen(addr) + strlen(secemailaddrbuf) + 2)
 425                                            < secemailaddrbuf_len ) {
 426                                                 strcat(secemailaddrbuf, "|");
 427                                                 strcat(secemailaddrbuf, addr);
 428                                         }
 429                                 }
 430                         }
 431                 }
 432                 free(addr);
 433         }
 434 }
 435
 436
 437
 438 /*
 439  * See if there is a name / screen name / friendly name  in a vCard to use for outbound
 440  * Internet messages.  If there is, stick it in the buffer.
 441  */
 442 void extract_friendly_name(char *namebuf, size_t namebuf_len, struct vCard *v)
 443 {
 444         char *s;
 445
 446         s = vcard_get_prop(v, "fn", 0, 0, 0);
 447         if (s == NULL) {
 448                 s = vcard_get_prop(v, "n", 0, 0, 0);
 449         }
 450
 451         if (s != NULL) {
 452                 safestrncpy(namebuf, s, namebuf_len);
 453         }
 454 }
 455
 456
 457 /*
 458  * Callback function for vcard_upload_beforesave() hunts for the real vcard in the MIME structure
 459  */
 460 void vcard_extract_vcard(char *name, char *filename, char *partnum, char *disp,
 461                    void *content, char *cbtype, char *cbcharset, size_t length,
 462                    char *encoding, void *cbuserdata)
 463 {
 464         struct vCard **v = (struct vCard **) cbuserdata;
 465
 466         if (  (!strcasecmp(cbtype, "text/x-vcard"))
 467            || (!strcasecmp(cbtype, "text/vcard")) ) {
 468
 469                 lprintf(CTDL_DEBUG, "Part %s contains a vCard!  Loading...\n", partnum);
 470                 if (*v != NULL) {
 471                         vcard_free(*v);
 472                 }
 473                 *v = vcard_load(content);
 474         }
 475 }
 476
 477
 478 /*
 479  * This handler detects whether the user is attempting to save a new
 480  * vCard as part of his/her personal configuration, and handles the replace
 481  * function accordingly (delete the user's existing vCard in the config room
 482  * and in the global address book).
 483  */
 484 int vcard_upload_beforesave(struct CtdlMessage *msg) {
 485         char *ptr;
 486         char *s;
 487         char buf[SIZ];
 488         struct ctdluser usbuf;
 489         long what_user;
 490         struct vCard *v = NULL;
 491         char *ser = NULL;
 492         int i = 0;
 493         int yes_my_citadel_config = 0;
 494         int yes_any_vcard_room = 0;
 495
 496         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 497
 498         /* Is this some user's "My Citadel Config" room? */
 499         if ( (CC->room.QRflags && QR_MAILBOX)
 500            && (!strcasecmp(&CC->room.QRname[11], USERCONFIGROOM)) ) {
 501                 /* Yes, we want to do this */
 502                 yes_my_citadel_config = 1;
 503
 504 #ifdef VCARD_SAVES_BY_AIDES_ONLY
 505                 /* Prevent non-aides from performing registration changes */
 506                 if (CC->user.axlevel < 6) {
 507                         return(1);
 508                 }
 509 #endif
 510
 511         }
 512
 513         /* Is this a room with an address book in it? */
 514         if (CC->room.QRdefaultview == VIEW_ADDRESSBOOK) {
 515                 yes_any_vcard_room = 1;
 516         }
 517
 518         /* If neither condition exists, don't run this hook. */
 519         if ( (!yes_my_citadel_config) && (!yes_any_vcard_room) ) {
 520                 return(0);
 521         }
 522
 523         /* If this isn't a MIME message, don't bother. */
 524         if (msg->cm_format_type != 4) return(0);
 525
 526         /* Ok, if we got this far, look into the situation further... */
 527
 528         ptr = msg->cm_fields['M'];
 529         if (ptr == NULL) return(0);
 530
 531         mime_parser(msg->cm_fields['M'],
 532                 NULL,
 533                 *vcard_extract_vcard,
 534                 NULL, NULL,
 535                 &v,             /* user data ptr - put the vcard here */
 536                 0
 537         );
 538
 539         if (v == NULL) return(0);       /* no vCards were found in this message */
 540
 541         /* If users cannot create their own accounts, they cannot re-register either. */
 542         if ( (yes_my_citadel_config) && (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 543                 return(1);
 544         }
 545
 546         s = vcard_get_prop(v, "FN", 0, 0, 0);
 547         if (s) lprintf(CTDL_DEBUG, "vCard beforesave hook running for <%s>\n", s);
 548
 549         if (yes_my_citadel_config) {
 550                 /* Bingo!  The user is uploading a new vCard, so
 551                  * delete the old one.  First, figure out which user
 552                  * is being re-registered...
 553                  */
 554                 what_user = atol(CC->room.QRname);
 555
 556                 if (what_user == CC->user.usernum) {
 557                         /* It's the logged in user.  That was easy. */
 558                         memcpy(&usbuf, &CC->user, sizeof(struct ctdluser));
 559                 }
 560
 561                 else if (getuserbynumber(&usbuf, what_user) == 0) {
 562                         /* We fetched a valid user record */
 563                 }
 564
 565                 else {
 566                         /* somebody set up us the bomb! */
 567                         yes_my_citadel_config = 0;
 568                 }
 569         }
 570
 571         if (yes_my_citadel_config) {
 572                 /* Delete the user's old vCard.  This would probably
 573                  * get taken care of by the replication check, but we
 574                  * want to make sure there is absolutely only one
 575                  * vCard in the user's config room at all times.
 576                  *
 577                  */
 578                 CtdlDeleteMessages(CC->room.QRname, NULL, 0, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$");
 579
 580                 /* Make the author of the message the name of the user. */
 581                 if (msg->cm_fields['A'] != NULL) {
 582                         free(msg->cm_fields['A']);
 583                 }
 584                 msg->cm_fields['A'] = strdup(usbuf.fullname);
 585         }
 586
 587         /* Insert or replace RFC2739-compliant free/busy URL */
 588         if (yes_my_citadel_config) {
 589                 sprintf(buf, "http://%s/%s.vfb",
 590                         config.c_fqdn,
 591                         usbuf.fullname);
 592                 for (i=0; buf[i]; ++i) {
 593                         if (buf[i] == ' ') buf[i] = '_';
 594                 }
 595                 vcard_set_prop(v, "FBURL;PREF", buf, 0);
 596         }
 597
 598         /* If the vCard has no UID, then give it one. */
 599         s = vcard_get_prop(v, "UID", 0, 0, 0);
 600         if (s == NULL) {
 601                 generate_uuid(buf);
 602                 vcard_set_prop(v, "UID", buf, 0);
 603         }
 604
 605         /* Enforce local UID policy if applicable */
 606         if (yes_my_citadel_config) {
 607                 snprintf(buf, sizeof buf, VCARD_EXT_FORMAT, msg->cm_fields['A'], NODENAME);
 608                 vcard_set_prop(v, "UID", buf, 0);
 609         }
 610
 611         /*
 612          * Set the EUID of the message to the UID of the vCard.
 613          */
 614         if (msg->cm_fields['E'] != NULL) free(msg->cm_fields['E']);
 615         s = vcard_get_prop(v, "UID", 0, 0, 0);
 616         if (s != NULL) {
 617                 msg->cm_fields['E'] = strdup(s);
 618                 if (msg->cm_fields['U'] == NULL) {
 619                         msg->cm_fields['U'] = strdup(s);
 620                 }
 621         }
 622
 623         /*
 624          * Set the Subject to the name in the vCard.
 625          */
 626         s = vcard_get_prop(v, "FN", 0, 0, 0);
 627         if (s == NULL) {
 628                 s = vcard_get_prop(v, "N", 0, 0, 0);
 629         }
 630         if (s != NULL) {
 631                 if (msg->cm_fields['U'] != NULL) {
 632                         free(msg->cm_fields['U']);
 633                 }
 634                 msg->cm_fields['U'] = strdup(s);
 635         }
 636
 637         /* Re-serialize it back into the msg body */
 638         ser = vcard_serialize(v);
 639         if (ser != NULL) {
 640                 msg->cm_fields['M'] = realloc(msg->cm_fields['M'], strlen(ser) + 1024);
 641                 sprintf(msg->cm_fields['M'],
 642                         "Content-type: " VCARD_MIME_TYPE
 643                         "\r\n\r\n%s\r\n", ser);
 644                 free(ser);
 645         }
 646
 647         /* Now allow the save to complete. */
 648         vcard_free(v);
 649         return(0);
 650 }
 651
 652
 653
 654 /*
 655  * This handler detects whether the user is attempting to save a new
 656  * vCard as part of his/her personal configuration, and handles the replace
 657  * function accordingly (copy the vCard from the config room to the global
 658  * address book).
 659  */
 660 int vcard_upload_aftersave(struct CtdlMessage *msg) {
 661         char *ptr;
 662         int linelen;
 663         long I;
 664         struct vCard *v;
 665         int is_UserConf=0;
 666         int is_GAB=0;
 667
 668         if (!CC->logged_in) return(0);  /* Only do this if logged in. */
 669
 670         /* If this isn't the configuration room, or if this isn't a MIME
 671          * message, don't bother.
 672          */
 673         if (msg->cm_fields['O'] == NULL) return(0);
 674         if (!strcasecmp(msg->cm_fields['O'], USERCONFIGROOM)) is_UserConf = 1;
 675         if (!strcasecmp(msg->cm_fields['O'], ADDRESS_BOOK_ROOM)) is_GAB = 1;
 676         if (!is_UserConf && !is_GAB) return(0);
 677         if (msg->cm_format_type != 4) return(0);
 678
 679         ptr = msg->cm_fields['M'];
 680         if (ptr == NULL) return(0);
 681         while (ptr != NULL) {
 682
 683                 linelen = strcspn(ptr, "\n");
 684                 if (linelen == 0) return(0);    /* end of headers */
 685
 686                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
 687                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
 688                         /*
 689                          * Bingo!  The user is uploading a new vCard, so
 690                          * copy it to the Global Address Book room.
 691                          */
 692
 693                         I = atol(msg->cm_fields['I']);
 694                         if (I < 0L) return(0);
 695
 696                         /* Store our Internet return address in memory */
 697                         v = vcard_load(msg->cm_fields['M']);
 698                         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
 699                                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
 700                                                 v, 1);
 701                         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
 702                         vcard_free(v);
 703
 704                         if (!is_GAB)
 705                         {       // This is not the GAB
 706                                 /* Put it in the Global Address Book room... */
 707                                 CtdlSaveMsgPointerInRoom(ADDRESS_BOOK_ROOM, I, 1, msg);
 708                         }
 709
 710                         /* ...and also in the directory database. */
 711                         vcard_add_to_directory(I, NULL);
 712
 713                         /* Some sites want an Aide to be notified when a
 714                          * user registers or re-registers...
 715                          */
 716                         set_mm_valid();
 717
 718                         /* ...which also means we need to flag the user */
 719                         lgetuser(&CC->user, CC->curr_user);
 720                         CC->user.flags |= (US_REGIS|US_NEEDVALID);
 721                         lputuser(&CC->user);
 722
 723                         return(0);
 724                 }
 725
 726                 ptr = strchr((char *)ptr, '\n');
 727                 if (ptr != NULL) ++ptr;
 728         }
 729
 730         return(0);
 731 }
 732
 733
 734
 735 /*
 736  * back end function used for callbacks
 737  */
 738 void vcard_gu_backend(long supplied_msgnum, void *userdata) {
 739         long *msgnum;
 740
 741         msgnum = (long *) userdata;
 742         *msgnum = supplied_msgnum;
 743 }
 744
 745
 746 /*
 747  * If this user has a vcard on disk, read it into memory, otherwise allocate
 748  * and return an empty vCard.
 749  */
 750 struct vCard *vcard_get_user(struct ctdluser *u) {
 751         char hold_rm[ROOMNAMELEN];
 752         char config_rm[ROOMNAMELEN];
 753         struct CtdlMessage *msg = NULL;
 754         struct vCard *v;
 755         long VCmsgnum;
 756
 757         strcpy(hold_rm, CC->room.QRname);       /* save current room */
 758         MailboxName(config_rm, sizeof config_rm, u, USERCONFIGROOM);
 759
 760         if (getroom(&CC->room, config_rm) != 0) {
 761                 getroom(&CC->room, hold_rm);
 762                 return vcard_new();
 763         }
 764
 765         /* We want the last (and probably only) vcard in this room */
 766         VCmsgnum = (-1);
 767         CtdlForEachMessage(MSGS_LAST, 1, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$",
 768                 NULL, vcard_gu_backend, (void *)&VCmsgnum );
 769         getroom(&CC->room, hold_rm);    /* return to saved room */
 770
 771         if (VCmsgnum < 0L) return vcard_new();
 772
 773         msg = CtdlFetchMessage(VCmsgnum, 1);
 774         if (msg == NULL) return vcard_new();
 775
 776         v = vcard_load(msg->cm_fields['M']);
 777         CtdlFreeMessage(msg);
 778         return v;
 779 }
 780
 781
 782 /*
 783  * Store this user's vCard in the appropriate place
 784  */
 785 /*
 786  * Write our config to disk
 787  */
 788 void vcard_write_user(struct ctdluser *u, struct vCard *v) {
 789         char temp[PATH_MAX];
 790         FILE *fp;
 791         char *ser;
 792
 793         CtdlMakeTempFileName(temp, sizeof temp);
 794         ser = vcard_serialize(v);
 795
 796         fp = fopen(temp, "w");
 797         if (fp == NULL) return;
 798         if (ser == NULL) {
 799                 fprintf(fp, "begin:vcard\r\nend:vcard\r\n");
 800         } else {
 801                 fwrite(ser, strlen(ser), 1, fp);
 802                 free(ser);
 803         }
 804         fclose(fp);
 805
 806         /* This handy API function does all the work for us.
 807          * NOTE: normally we would want to set that last argument to 1, to
 808          * force the system to delete the user's old vCard.  But it doesn't
 809          * have to, because the vcard_upload_beforesave() hook above
 810          * is going to notice what we're trying to do, and delete the old vCard.
 811          */
 812         CtdlWriteObject(USERCONFIGROOM, /* which room */
 813                         VCARD_MIME_TYPE,/* MIME type */
 814                         temp,           /* temp file */
 815                         u,              /* which user */
 816                         0,              /* not binary */
 817                         0,              /* don't delete others of this type */
 818                         0);             /* no flags */
 819
 820         unlink(temp);
 821 }
 822
 823
 824
 825 /*
 826  * Old style "enter registration info" command.  This function simply honors
 827  * the REGI protocol command, translates the entered parameters into a vCard,
 828  * and enters the vCard into the user's configuration.
 829  */
 830 void cmd_regi(char *argbuf) {
 831         int a,b,c;
 832         char buf[SIZ];
 833         struct vCard *my_vcard;
 834
 835         char tmpaddr[SIZ];
 836         char tmpcity[SIZ];
 837         char tmpstate[SIZ];
 838         char tmpzip[SIZ];
 839         char tmpaddress[SIZ];
 840         char tmpcountry[SIZ];
 841
 842         unbuffer_output();
 843
 844         if (!(CC->logged_in)) {
 845                 cprintf("%d Not logged in.\n",ERROR + NOT_LOGGED_IN);
 846                 return;
 847         }
 848
 849         /* If users cannot create their own accounts, they cannot re-register either. */
 850         if ( (config.c_disable_newu) && (CC->user.axlevel < 6) ) {
 851                 cprintf("%d Self-service registration is not allowed here.\n",
 852                         ERROR + HIGHER_ACCESS_REQUIRED);
 853         }
 854
 855         my_vcard = vcard_get_user(&CC->user);
 856         strcpy(tmpaddr, "");
 857         strcpy(tmpcity, "");
 858         strcpy(tmpstate, "");
 859         strcpy(tmpzip, "");
 860         strcpy(tmpcountry, "USA");
 861
 862         cprintf("%d Send registration...\n", SEND_LISTING);
 863         a=0;
 864         while (client_getln(buf, sizeof buf), strcmp(buf,"000")) {
 865                 if (a==0) vcard_set_prop(my_vcard, "n", buf, 0);
 866                 if (a==1) strcpy(tmpaddr, buf);
 867                 if (a==2) strcpy(tmpcity, buf);
 868                 if (a==3) strcpy(tmpstate, buf);
 869                 if (a==4) {
 870                         for (c=0; buf[c]; ++c) {
 871                                 if ((buf[c]>='0') && (buf[c]<='9')) {
 872                                         b = strlen(tmpzip);
 873                                         tmpzip[b] = buf[c];
 874                                         tmpzip[b+1] = 0;
 875                                 }
 876                         }
 877                 }
 878                 if (a==5) vcard_set_prop(my_vcard, "tel;home", buf, 0);
 879                 if (a==6) vcard_set_prop(my_vcard, "email;internet", buf, 0);
 880                 if (a==7) strcpy(tmpcountry, buf);
 881                 ++a;
 882         }
 883
 884         snprintf(tmpaddress, sizeof tmpaddress, ";;%s;%s;%s;%s;%s",
 885                 tmpaddr, tmpcity, tmpstate, tmpzip, tmpcountry);
 886         vcard_set_prop(my_vcard, "adr", tmpaddress, 0);
 887         vcard_write_user(&CC->user, my_vcard);
 888         vcard_free(my_vcard);
 889 }
 890
 891
 892 /*
 893  * Protocol command to fetch registration info for a user
 894  */
 895 void cmd_greg(char *argbuf)
 896 {
 897         struct ctdluser usbuf;
 898         struct vCard *v;
 899         char *s;
 900         char who[USERNAME_SIZE];
 901         char adr[256];
 902         char buf[256];
 903
 904         extract_token(who, argbuf, 0, '|', sizeof who);
 905
 906         if (!(CC->logged_in)) {
 907                 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
 908                 return;
 909         }
 910
 911         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 912
 913         if ((CC->user.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 914                 cprintf("%d Higher access required.\n",
 915                         ERROR + HIGHER_ACCESS_REQUIRED);
 916                 return;
 917         }
 918
 919         if (getuser(&usbuf, who) != 0) {
 920                 cprintf("%d '%s' not found.\n", ERROR + NO_SUCH_USER, who);
 921                 return;
 922         }
 923
 924         v = vcard_get_user(&usbuf);
 925
 926         cprintf("%d %s\n", LISTING_FOLLOWS, usbuf.fullname);
 927         cprintf("%ld\n", usbuf.usernum);
 928         cprintf("%s\n", usbuf.password);
 929         s = vcard_get_prop(v, "n", 0, 0, 0);
 930         cprintf("%s\n", s ? s : " ");   /* name */
 931
 932         s = vcard_get_prop(v, "adr", 0, 0, 0);
 933         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 934
 935         extract_token(buf, adr, 2, ';', sizeof buf);
 936         cprintf("%s\n", buf);                           /* street */
 937         extract_token(buf, adr, 3, ';', sizeof buf);
 938         cprintf("%s\n", buf);                           /* city */
 939         extract_token(buf, adr, 4, ';', sizeof buf);
 940         cprintf("%s\n", buf);                           /* state */
 941         extract_token(buf, adr, 5, ';', sizeof buf);
 942         cprintf("%s\n", buf);                           /* zip */
 943
 944         s = vcard_get_prop(v, "tel;home", 0, 0, 0);
 945         if (s == NULL) s = vcard_get_prop(v, "tel", 1, 0, 0);
 946         if (s != NULL) {
 947                 cprintf("%s\n", s);
 948         }
 949         else {
 950                 cprintf(" \n");
 951         }
 952
 953         cprintf("%d\n", usbuf.axlevel);
 954
 955         s = vcard_get_prop(v, "email;internet", 0, 0, 0);
 956         cprintf("%s\n", s ? s : " ");
 957         s = vcard_get_prop(v, "adr", 0, 0, 0);
 958         snprintf(adr, sizeof adr, "%s", s ? s : " ");/* address... */
 959
 960         extract_token(buf, adr, 6, ';', sizeof buf);
 961         cprintf("%s\n", buf);                           /* country */
 962         cprintf("000\n");
 963         vcard_free(v);
 964 }
 965
 966
 967
 968 /*
 969  * When a user is being created, create his/her vCard.
 970  */
 971 void vcard_newuser(struct ctdluser *usbuf) {
 972         char vname[256];
 973         char buf[256];
 974         int i;
 975         struct vCard *v;
 976
 977         vcard_fn_to_n(vname, usbuf->fullname, sizeof vname);
 978         lprintf(CTDL_DEBUG, "Converted <%s> to <%s>\n", usbuf->fullname, vname);
 979
 980         /* Create and save the vCard */
 981         v = vcard_new();
 982         if (v == NULL) return;
 983         sprintf(buf, "%s@%s", usbuf->fullname, config.c_fqdn);
 984         for (i=0; buf[i]; ++i) {
 985                 if (buf[i] == ' ') buf[i] = '_';
 986         }
 987         vcard_add_prop(v, "fn", usbuf->fullname);
 988         vcard_add_prop(v, "n", vname);
 989         vcard_add_prop(v, "adr", "adr:;;_;_;_;00000;__");
 990         vcard_add_prop(v, "email;internet", buf);
 991         vcard_write_user(usbuf, v);
 992         vcard_free(v);
 993 }
 994
 995
 996 /*
 997  * When a user is being deleted, we have to remove his/her vCard.
 998  * This is accomplished by issuing a message with 'CANCEL' in the S (special)
 999  * field, and the same Exclusive ID as the existing card.
1000  */
1001 void vcard_purge(struct ctdluser *usbuf) {
1002         struct CtdlMessage *msg;
1003         char buf[SIZ];
1004
1005         msg = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1006         if (msg == NULL) return;
1007         memset(msg, 0, sizeof(struct CtdlMessage));
1008
1009         msg->cm_magic = CTDLMESSAGE_MAGIC;
1010         msg->cm_anon_type = MES_NORMAL;
1011         msg->cm_format_type = 0;
1012         msg->cm_fields['A'] = strdup(usbuf->fullname);
1013         msg->cm_fields['O'] = strdup(ADDRESS_BOOK_ROOM);
1014         msg->cm_fields['N'] = strdup(NODENAME);
1015         msg->cm_fields['M'] = strdup("Purge this vCard\n");
1016
1017         snprintf(buf, sizeof buf, VCARD_EXT_FORMAT,
1018                         msg->cm_fields['A'], NODENAME);
1019         msg->cm_fields['E'] = strdup(buf);
1020
1021         msg->cm_fields['S'] = strdup("CANCEL");
1022
1023         CtdlSubmitMsg(msg, NULL, ADDRESS_BOOK_ROOM);
1024         CtdlFreeMessage(msg);
1025 }
1026
1027
1028 /*
1029  * Grab vCard directory stuff out of incoming network messages
1030  */
1031 int vcard_extract_from_network(struct CtdlMessage *msg, char *target_room) {
1032         char *ptr;
1033         int linelen;
1034
1035         if (msg == NULL) return(0);
1036
1037         if (strcasecmp(target_room, ADDRESS_BOOK_ROOM)) {
1038                 return(0);
1039         }
1040
1041         if (msg->cm_format_type != 4) return(0);
1042
1043         ptr = msg->cm_fields['M'];
1044         if (ptr == NULL) return(0);
1045         while (ptr != NULL) {
1046
1047                 linelen = strcspn(ptr, "\n");
1048                 if (linelen == 0) return(0);    /* end of headers */
1049
1050                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1051                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1052                         /* It's a vCard.  Add it to the directory. */
1053                         vcard_extract_internet_addresses(msg, CtdlDirectoryAddUser);
1054                         return(0);
1055                 }
1056
1057                 ptr = strchr((char *)ptr, '\n');
1058                 if (ptr != NULL) ++ptr;
1059         }
1060
1061         return(0);
1062 }
1063
1064
1065
1066 /*
1067  * When a vCard is being removed from the Global Address Book room, remove it
1068  * from the directory as well.
1069  */
1070 void vcard_delete_remove(char *room, long msgnum) {
1071         struct CtdlMessage *msg;
1072         char *ptr;
1073         int linelen;
1074
1075         if (msgnum <= 0L) return;
1076
1077         if (room == NULL) return;
1078
1079         if (strcasecmp(room, ADDRESS_BOOK_ROOM)) {
1080                 return;
1081         }
1082
1083         msg = CtdlFetchMessage(msgnum, 1);
1084         if (msg == NULL) return;
1085
1086         ptr = msg->cm_fields['M'];
1087         if (ptr == NULL) goto EOH;
1088         while (ptr != NULL) {
1089                 linelen = strcspn(ptr, "\n");
1090                 if (linelen == 0) goto EOH;
1091
1092                 if (  (!strncasecmp(ptr, "Content-type: text/x-vcard", 26))
1093                    || (!strncasecmp(ptr, "Content-type: text/vcard", 24)) ) {
1094                         /* Bingo!  A vCard is being deleted. */
1095                         vcard_extract_internet_addresses(msg, CtdlDirectoryDelUser);
1096                         ctdl_vcard_to_directory(msg, V2L_DELETE);
1097                 }
1098                 ptr = strchr((char *)ptr, '\n');
1099                 if (ptr != NULL) ++ptr;
1100         }
1101
1102 EOH:    CtdlFreeMessage(msg);
1103 }
1104
1105
1106
1107 /*
1108  * Get Valid Screen Names
1109  */
1110 void cmd_gvsn(char *argbuf)
1111 {
1112         if (CtdlAccessCheck(ac_logged_in)) return;
1113
1114         cprintf("%d valid screen names:\n", LISTING_FOLLOWS);
1115         cprintf("%s\n", CC->user.fullname);
1116         if ( (!IsEmptyStr(CC->cs_inet_fn)) && (strcasecmp(CC->user.fullname, CC->cs_inet_fn)) ) {
1117                 cprintf("%s\n", CC->cs_inet_fn);
1118         }
1119         cprintf("000\n");
1120 }
1121
1122
1123 /*
1124  * Get Valid Email Addresses
1125  */
1126 void cmd_gvea(char *argbuf)
1127 {
1128         int num_secondary_emails = 0;
1129         int i;
1130         char buf[256];
1131
1132         if (CtdlAccessCheck(ac_logged_in)) return;
1133
1134         cprintf("%d valid email addresses:\n", LISTING_FOLLOWS);
1135         if (!IsEmptyStr(CC->cs_inet_email)) {
1136                 cprintf("%s\n", CC->cs_inet_email);
1137         }
1138         if (!IsEmptyStr(CC->cs_inet_other_emails)) {
1139                 num_secondary_emails = num_tokens(CC->cs_inet_other_emails, '|');
1140                 for (i=0; i<num_secondary_emails; ++i) {
1141                         extract_token(buf, CC->cs_inet_other_emails,i,'|',sizeof CC->cs_inet_other_emails);
1142                         cprintf("%s\n", buf);
1143                 }
1144         }
1145         cprintf("000\n");
1146 }
1147
1148
1149
1150
1151 /*
1152  * Callback function for cmd_dvca() that hunts for vCard content types
1153  * and outputs any email addresses found within.
1154  */
1155 void dvca_mime_callback(char *name, char *filename, char *partnum, char *disp,
1156                 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1157                 void *cbuserdata) {
1158
1159         struct vCard *v;
1160         char displayname[256];
1161         int displayname_len;
1162         char emailaddr[256];
1163         int i;
1164         int has_commas = 0;
1165
1166         if ( (strcasecmp(cbtype, "text/vcard")) && (strcasecmp(cbtype, "text/x-vcard")) ) {
1167                 return;
1168         }
1169
1170         v = vcard_load(content);
1171         if (v == NULL) return;
1172
1173         extract_friendly_name(displayname, sizeof displayname, v);
1174         extract_inet_email_addrs(emailaddr, sizeof emailaddr, NULL, 0, v, 0);
1175
1176         displayname_len = strlen(displayname);
1177         for (i=0; i<displayname_len; ++i) {
1178                 if (displayname[i] == '\"') displayname[i] = ' ';
1179                 if (displayname[i] == ';') displayname[i] = ',';
1180                 if (displayname[i] == ',') has_commas = 1;
1181         }
1182         striplt(displayname);
1183
1184         cprintf("%s%s%s <%s>\n",
1185                 (has_commas ? "\"" : ""),
1186                 displayname,
1187                 (has_commas ? "\"" : ""),
1188                 emailaddr
1189         );
1190
1191         vcard_free(v);
1192 }
1193
1194
1195 /*
1196  * Back end callback function for cmd_dvca()
1197  *
1198  * It's basically just passed a list of message numbers, which we're going
1199  * to fetch off the disk and then pass along to the MIME parser via another
1200  * layer of callback...
1201  */
1202 void dvca_callback(long msgnum, void *userdata) {
1203         struct CtdlMessage *msg = NULL;
1204
1205         msg = CtdlFetchMessage(msgnum, 1);
1206         if (msg == NULL) return;
1207         mime_parser(msg->cm_fields['M'],
1208                 NULL,
1209                 *dvca_mime_callback,    /* callback function */
1210                 NULL, NULL,
1211                 NULL,                   /* user data */
1212                 0
1213         );
1214         CtdlFreeMessage(msg);
1215 }
1216
1217
1218 /*
1219  * Dump VCard Addresses
1220  */
1221 void cmd_dvca(char *argbuf)
1222 {
1223         if (CtdlAccessCheck(ac_logged_in)) return;
1224
1225         cprintf("%d addresses:\n", LISTING_FOLLOWS);
1226         CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, dvca_callback, NULL);
1227         cprintf("000\n");
1228 }
1229
1230
1231 /*
1232  * Query Directory
1233  */
1234 void cmd_qdir(char *argbuf) {
1235         char citadel_addr[256];
1236         char internet_addr[256];
1237
1238         if (CtdlAccessCheck(ac_logged_in)) return;
1239
1240         extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1241
1242         if (CtdlDirectoryLookup(citadel_addr, internet_addr, sizeof citadel_addr) != 0) {
1243                 cprintf("%d %s was not found.\n",
1244                         ERROR + NO_SUCH_USER, internet_addr);
1245                 return;
1246         }
1247
1248         cprintf("%d %s\n", CIT_OK, citadel_addr);
1249 }
1250
1251 /*
1252  * Query Directory, in fact an alias to match postfix tcp auth.
1253  */
1254 void check_get(void) {
1255         char internet_addr[256];
1256
1257         char cmdbuf[SIZ];
1258
1259         time(&CC->lastcmd);
1260         memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1261         if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1262                 lprintf(CTDL_CRIT, "Client disconnected: ending session.\n");
1263                 CC->kill_me = 1;
1264                 return;
1265         }
1266         lprintf(CTDL_INFO, ": %s\n", cmdbuf);
1267         while (strlen(cmdbuf) < 3) strcat(cmdbuf, " ");
1268
1269         if (strcasecmp(cmdbuf, "GET "));
1270         {
1271                 struct recptypes *rcpt;
1272                 char *argbuf = &cmdbuf[4];
1273
1274                 extract_token(internet_addr, argbuf, 0, '|', sizeof internet_addr);
1275                 rcpt = validate_recipients(internet_addr);
1276                 if ((rcpt != NULL)&&
1277                         (
1278                          (*rcpt->recp_local != '\0')||
1279                          (*rcpt->recp_room != '\0')||
1280                          (*rcpt->recp_ignet != '\0')))
1281                 {
1282
1283                         cprintf("200 OK %s\n", internet_addr);
1284                         lprintf(CTDL_INFO, "sending 200 OK for the room %s\n", rcpt->display_recp);
1285                 }
1286                 else
1287                 {
1288                         cprintf("500 REJECT noone here by that name.\n");
1289
1290                         lprintf(CTDL_INFO, "sending 500 REJECT noone here by that name: %s\n", internet_addr);
1291                 }
1292                 if (rcpt != NULL) free_recipients(rcpt);
1293         }
1294 }
1295
1296 void check_get_greeting(void) {
1297 /* dummy function, we have no greeting in this verry simple protocol. */
1298 }
1299
1300
1301 /*
1302  * We don't know if the Contacts room exists so we just create it at login
1303  */
1304 void vcard_create_room(void)
1305 {
1306         struct ctdlroom qr;
1307         struct visit vbuf;
1308
1309         /* Create the calendar room if it doesn't already exist */
1310         create_room(USERCONTACTSROOM, 4, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1311
1312         /* Set expiration policy to manual; otherwise objects will be lost! */
1313         if (lgetroom(&qr, USERCONTACTSROOM)) {
1314                 lprintf(CTDL_ERR, "Couldn't get the user CONTACTS room!\n");
1315                 return;
1316         }
1317         qr.QRep.expire_mode = EXPIRE_MANUAL;
1318         qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1319         lputroom(&qr);
1320
1321         /* Set the view to a calendar view */
1322         CtdlGetRelationship(&vbuf, &CC->user, &qr);
1323         vbuf.v_view = 2;        /* 2 = address book view */
1324         CtdlSetRelationship(&vbuf, &CC->user, &qr);
1325
1326         return;
1327 }
1328
1329
1330
1331
1332 /*
1333  * When a user logs in...
1334  */
1335 void vcard_session_login_hook(void) {
1336         struct vCard *v = NULL;
1337
1338         v = vcard_get_user(&CC->user);
1339         extract_inet_email_addrs(CC->cs_inet_email, sizeof CC->cs_inet_email,
1340                                 CC->cs_inet_other_emails, sizeof CC->cs_inet_other_emails,
1341                                 v, 1);
1342         extract_friendly_name(CC->cs_inet_fn, sizeof CC->cs_inet_fn, v);
1343         vcard_free(v);
1344
1345         vcard_create_room();
1346 }
1347
1348
1349 /*
1350  * Turn an arbitrary RFC822 address into a struct vCard for possible
1351  * inclusion into an address book.
1352  */
1353 struct vCard *vcard_new_from_rfc822_addr(char *addr) {
1354         struct vCard *v;
1355         char user[256], node[256], name[256], email[256], n[256], uid[256];
1356         int i;
1357
1358         v = vcard_new();
1359         if (v == NULL) return(NULL);
1360
1361         process_rfc822_addr(addr, user, node, name);
1362         vcard_set_prop(v, "fn", name, 0);
1363
1364         vcard_fn_to_n(n, name, sizeof n);
1365         vcard_set_prop(v, "n", n, 0);
1366
1367         snprintf(email, sizeof email, "%s@%s", user, node);
1368         vcard_set_prop(v, "email;internet", email, 0);
1369
1370         snprintf(uid, sizeof uid, "collected: %s %s@%s", name, user, node);
1371         for (i=0; uid[i]; ++i) {
1372                 if (isspace(uid[i])) uid[i] = '_';
1373                 uid[i] = tolower(uid[i]);
1374         }
1375         vcard_set_prop(v, "UID", uid, 0);
1376
1377         return(v);
1378 }
1379
1380
1381
1382 /*
1383  * This is called by store_harvested_addresses() to remove from the
1384  * list any addresses we already have in our address book.
1385  */
1386 void strip_addresses_already_have(long msgnum, void *userdata) {
1387         char *collected_addresses;
1388         struct CtdlMessage *msg = NULL;
1389         struct vCard *v;
1390         char *value = NULL;
1391         int i, j;
1392         char addr[256], user[256], node[256], name[256];
1393
1394         collected_addresses = (char *)userdata;
1395
1396         msg = CtdlFetchMessage(msgnum, 1);
1397         if (msg == NULL) return;
1398         v = vcard_load(msg->cm_fields['M']);
1399         CtdlFreeMessage(msg);
1400
1401         i = 0;
1402         while (value = vcard_get_prop(v, "email", 1, i++, 0), value != NULL) {
1403
1404                 for (j=0; j<num_tokens(collected_addresses, ','); ++j) {
1405                         extract_token(addr, collected_addresses, j, ',', sizeof addr);
1406
1407                         /* Remove the address if we already have it! */
1408                         process_rfc822_addr(addr, user, node, name);
1409                         snprintf(addr, sizeof addr, "%s@%s", user, node);
1410                         if (!strcasecmp(value, addr)) {
1411                                 remove_token(collected_addresses, j, ',');
1412                         }
1413                 }
1414
1415         }
1416
1417         vcard_free(v);
1418 }
1419
1420
1421
1422 /*
1423  * Back end function for store_harvested_addresses()
1424  */
1425 void store_this_ha(struct addresses_to_be_filed *aptr) {
1426         struct CtdlMessage *vmsg = NULL;
1427         long vmsgnum = (-1L);
1428         char *ser = NULL;
1429         struct vCard *v = NULL;
1430         char recipient[256];
1431         int i;
1432
1433         /* First remove any addresses we already have in the address book */
1434         usergoto(aptr->roomname, 0, 0, NULL, NULL);
1435         CtdlForEachMessage(MSGS_ALL, 0, NULL, "^[Tt][Ee][Xx][Tt]/.*[Vv][Cc][Aa][Rr][Dd]$", NULL,
1436                 strip_addresses_already_have, aptr->collected_addresses);
1437
1438         if (!IsEmptyStr(aptr->collected_addresses))
1439            for (i=0; i<num_tokens(aptr->collected_addresses, ','); ++i) {
1440
1441                 /* Make a vCard out of each address */
1442                 extract_token(recipient, aptr->collected_addresses, i, ',', sizeof recipient);
1443                 striplt(recipient);
1444                 v = vcard_new_from_rfc822_addr(recipient);
1445                 if (v != NULL) {
1446                         vmsg = malloc(sizeof(struct CtdlMessage));
1447                         memset(vmsg, 0, sizeof(struct CtdlMessage));
1448                         vmsg->cm_magic = CTDLMESSAGE_MAGIC;
1449                         vmsg->cm_anon_type = MES_NORMAL;
1450                         vmsg->cm_format_type = FMT_RFC822;
1451                         vmsg->cm_fields['A'] = strdup("Citadel");
1452                         vmsg->cm_fields['E'] =  strdup(vcard_get_prop(v, "UID", 0, 0, 0));
1453                         ser = vcard_serialize(v);
1454                         if (ser != NULL) {
1455                                 vmsg->cm_fields['M'] = malloc(strlen(ser) + 1024);
1456                                 sprintf(vmsg->cm_fields['M'],
1457                                         "Content-type: " VCARD_MIME_TYPE
1458                                         "\r\n\r\n%s\r\n", ser);
1459                                 free(ser);
1460                         }
1461                         vcard_free(v);
1462
1463                         lprintf(CTDL_DEBUG, "Adding contact: %s\n", recipient);
1464                         vmsgnum = CtdlSubmitMsg(vmsg, NULL, aptr->roomname);
1465                         CtdlFreeMessage(vmsg);
1466                 }
1467         }
1468
1469         free(aptr->roomname);
1470         free(aptr->collected_addresses);
1471         free(aptr);
1472 }
1473
1474
1475 /*
1476  * When a user sends a message, we may harvest one or more email addresses
1477  * from the recipient list to be added to the user's address book.  But we
1478  * want to do this asynchronously so it doesn't keep the user waiting.
1479  */
1480 void store_harvested_addresses(void) {
1481
1482         struct addresses_to_be_filed *aptr = NULL;
1483
1484         if (atbf == NULL) return;
1485
1486         begin_critical_section(S_ATBF);
1487         while (atbf != NULL) {
1488                 aptr = atbf;
1489                 atbf = atbf->next;
1490                 end_critical_section(S_ATBF);
1491                 store_this_ha(aptr);
1492                 begin_critical_section(S_ATBF);
1493         }
1494         end_critical_section(S_ATBF);
1495 }
1496
1497
1498 /*
1499  * Function to output vCard data as plain text.  Nobody uses MSG0 anymore, so
1500  * really this is just so we expose the vCard data to the full text indexer.
1501  */
1502 void vcard_fixed_output(char *ptr, int len) {
1503         char *serialized_vcard;
1504         struct vCard *v;
1505         char *key, *value;
1506         int i = 0;
1507
1508         serialized_vcard = malloc(len + 1);
1509         safestrncpy(serialized_vcard, ptr, len+1);
1510         v = vcard_load(serialized_vcard);
1511         free(serialized_vcard);
1512
1513         i = 0;
1514         while (key = vcard_get_prop(v, "", 0, i, 1), key != NULL) {
1515                 value = vcard_get_prop(v, "", 0, i++, 0);
1516                 cprintf("%s\n", value);
1517         }
1518
1519         vcard_free(v);
1520 }
1521
1522
1523 const char *CitadelServiceDICT_TCP="DICT_TCP";
1524
1525 CTDL_MODULE_INIT(vcard)
1526 {
1527         struct ctdlroom qr;
1528         char filename[256];
1529         FILE *fp;
1530
1531         CtdlRegisterSessionHook(vcard_session_login_hook, EVT_LOGIN);
1532         CtdlRegisterMessageHook(vcard_upload_beforesave, EVT_BEFORESAVE);
1533         CtdlRegisterMessageHook(vcard_upload_aftersave, EVT_AFTERSAVE);
1534         CtdlRegisterDeleteHook(vcard_delete_remove);
1535         CtdlRegisterProtoHook(cmd_regi, "REGI", "Enter registration info");
1536         CtdlRegisterProtoHook(cmd_greg, "GREG", "Get registration info");
1537         CtdlRegisterProtoHook(cmd_igab, "IGAB",
1538                                         "Initialize Global Address Book");
1539         CtdlRegisterProtoHook(cmd_qdir, "QDIR", "Query Directory");
1540         CtdlRegisterProtoHook(cmd_gvsn, "GVSN", "Get Valid Screen Names");
1541         CtdlRegisterProtoHook(cmd_gvea, "GVEA", "Get Valid Email Addresses");
1542         CtdlRegisterProtoHook(cmd_dvca, "DVCA", "Dump VCard Addresses");
1543         CtdlRegisterUserHook(vcard_newuser, EVT_NEWUSER);
1544         CtdlRegisterUserHook(vcard_purge, EVT_PURGEUSER);
1545         CtdlRegisterNetprocHook(vcard_extract_from_network);
1546         CtdlRegisterSessionHook(store_harvested_addresses, EVT_TIMER);
1547         CtdlRegisterFixedOutputHook("text/x-vcard", vcard_fixed_output);
1548         CtdlRegisterFixedOutputHook("text/vcard", vcard_fixed_output);
1549
1550         /* Create the Global ADdress Book room if necessary */
1551         create_room(ADDRESS_BOOK_ROOM, 3, "", 0, 1, 0, VIEW_ADDRESSBOOK);
1552
1553         /* Set expiration policy to manual; otherwise objects will be lost! */
1554         if (!lgetroom(&qr, ADDRESS_BOOK_ROOM)) {
1555                 qr.QRep.expire_mode = EXPIRE_MANUAL;
1556                 qr.QRdefaultview = VIEW_ADDRESSBOOK;    /* 2 = address book view */
1557                 lputroom(&qr);
1558
1559                 /*
1560                  * Also make sure it has a netconfig file, so the networker runs
1561                  * on this room even if we don't share it with any other nodes.
1562                  * This allows the CANCEL messages (i.e. "Purge this vCard") to be
1563                  * purged.
1564                  */
1565                 assoc_file_name(filename, sizeof filename, &qr, ctdl_netcfg_dir);
1566                 fp = fopen(filename, "a");
1567                 if (fp != NULL) fclose(fp);
1568                 chown(filename, CTDLUID, (-1));
1569         }
1570
1571         /* for postfix tcpdict */
1572         CtdlRegisterServiceHook(config.c_pftcpdict_port,        /* Postfix */
1573                                 NULL,
1574                                 check_get_greeting,
1575                                 check_get,
1576                                 NULL,
1577                                 CitadelServiceDICT_TCP);
1578
1579         /* return our Subversion id for the Log */
1580         return "$Id$";
1581 }